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모바일 응용 프로그램에서 XML 데이터를 JSON으로 변환 전송을 통한 성능 개선
오진수,송창기 한국정보과학회 2012 한국정보과학회 학술발표논문집 Vol.39 No.1D
스마트 폰의 엄청난 보급으로 인해 모바일 시장은 큰 발전을 하고 있다. 그로 인한 기존의 웹 응용 프로그램을 서비스가 모바일 시장에 응용되고 있다. 매우 효율적이고, 널리 사용되는 데이터 교환 방식으로 XML과 JSON이 있다. 대부분의 경우, 서비스로 제공되는 데이터 교환 방식으로 XML을 제공한다. XML로 서비스되는 모바일 응용 프로그램은 JSON에 비해 전송량이 크다. 따라서 본 논문에서는 XML보다 경량화된 JSON으로 전달하여 효과적인 데이터 교환 방식을 제안한다.
공동주택 리모델링 및 수선 시기결정 항목 설정에 관한 연구
오진수,이문섭,조영호 대한건축학회 2007 대한건축학회논문집 Vol.23 No.8
In this apartment market, many apartments are being reconstructed within even less than 20 years from their first construction. This entails many problems in environmental and economical facets, for which many researches are under way in several institutions and universities. International cases show that the international trend goes for remodeling of maintenance, management, and repairing rather than new building.The purpose of this study is to investigate the factors of cost evaluation for establishing the time period of apartment based on durability of material and equipment while considering the economic feasibility of apartment, when remodeling as a concept of sustainability regarding building is being vitalized.This study investigates the proper period of remodeling in consideration of weight accruing to the LC(Life Cycle) and cost based on the standardized durability. The weight of cost, period establishment analysis, and LC according durability varies the data values of remodeling periods. The physical durability and cost from this data enable the investigation into not only the repair period of individual materials of the apartment but also remodeling period.
오진수,우창기,이장규,Oh, Jin-Soo,Woo, Chang-Ki,Rhee, Zhang-Kyu 한국생산제조학회 2010 한국생산제조학회지 Vol.10 No.6
In this study, DAQ and TRA modules were applied to the CFRP single specimen testing method using AE. A method for crack identification in CFRP specimens based on k-mean clustering and wavelet transform analysis are presented. Mode I on DCB under vertical loading and mode II on 3-points ENF testing under share loading have been carried out, thereafter k-mean method for clustering AE data and wavelet transition method per amplitude have been applied to investigate characteristics of interfacial fracture in CFRP composite. It was found that the fracture mechanism of Carbon/Epoxy Composite to estimate of different type of fractures such as matrix(epoxy resin) cracking, delamination and fiber breakage same as AE amplitude distribution using a AE frequency analysis. In conclusion, the presented results provide a foundation for using wavelet analysis as efficient crack detection tool. The advantage of using wavelet analysis is that local features in a displacement response signal can be identified with a desired resolution, provided that the response signal to be analyzed picks up the perturbations caused by the presence of the crack.
소형 Gun Drill Machine 개발에 관한 연구
오진수,박광훈,남궁재관,우창기,강동명 한국공작기계학회 2006 한국공작기계학회 추계학술대회논문집 Vol.2006 No.-
This compact Gun Drilling Machine was developed to improve productivity and economical efficiency for small and midium enterprise tool makers. To produce specialize tools that gun drilling works should be required prior to making deep holes. Gun drill machines are so expensive and big burden for small tool makers so that works used to execute through outside orders but it was required lot of cost too. Most of gun drill machines are providing for high volume and large capacity enterprises. In order to support for small and medium enterprise purpose that compact gun drill machine was designed and developed. It could be improved products quality, productivity and saving manufacturing cost using this machine.
오진수,하윤,유영상,윤여민,이혜란,윤도흠,이민형 연세대학교의과대학 2015 Yonsei medical journal Vol.56 No.4
Purpose: Spinal cord injury (SCI) is associated with permanent neurological damage,and treatment thereof with a single modality often does not provide sufficient therapeutic outcomes. Therefore, a strategy that combines two or more techniques might show better therapeutic effects. Materials and Methods: In this study, we designed a combined treatment strategy based on neural stem cells (NSCs) introduced via a neuronal cell type‒inducible transgene expression system (NSE::) controlled by a neuron-specific enolase (NSE) promoter to maximize therapeutic efficiency and neuronal differentiation. The luciferase gene was chosen to confirm whether this combined system was working properly prior to using a therapeutic gene. The luciferase expression levels of NSCs introduced via the neuronal cell type‒inducibleluciferase expression system (NSE::Luci) or via a general luciferase expressing system (SV::Luci) were measured and compared in vitro and in vivo. Results: NSCs introduced via the neuronal cell type‒inducible luciferase expressing system (NSE::Luci-NSCs) showed a high level of luciferase expression, compared to NSCs introduced via a general luciferase expressing system (SV::Luci-NSCs). Interestingly,the luciferase expression level of NSE::Luci-NSCs increased greatly afterdifferentiation into neurons. Conclusion: We demonstrated that a neuronal cell type‒inducible gene expression system is suitable for introducing NSCs in combinedtreatment strategies. We suggest that the proposed strategy may be a promisingtool for the treatment of neurodegenerative disorders, including SCI.
공동주택 마감재 수명연한을 고려한 내/외장재 및 설비재의 리모델링시기 설정에 관한 연구
오진수,이문섭 대한건축학회 2004 대한건축학회논문집 Vol.20 No.10
In this study, Remodeling period for durability of finished materials and equipped materials 10 apartment building were studied First, To help comprehension of remodeling period by durability, Japan's house production system 「CHS (Century Housing System)」 and Paul Lukez theoretical studying do Second, Did comparative analysis of durability by 3 case-study Durability of the finished and equipped materials were analyzed as dissimilar to the durability standard to one another Therefore, at Remodeling period, need following standard -To introduce life period of finished materials and equipped materials indicating system -Introduction of the Making system for finished materials and equipped material's durability period: Focusing with these solutions of obstacles, housing component activating plans are suggested, and the specific activating plans are suggested as approaching methods of 2 steps referred to solution of domestic problems and the developed countries' housing components developing process